Daily Dispersion Outlook
Issued by NWS Pendleton, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 
000
AUUS46 KPDT 241100
DDOPDT

DAILY DISPERSION OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
400 AM PDT FRI MAY 24 2013

*** AIR DISPERSION CATEGORIES:   GOOD, FAIR, POOR ***

FOR THE COLUMBIA BASIN FROM PENDLETON TO WALLA WALLA AND PASCO

                              7:00 AM             AFTERNOON
SURFACE WINDS                 SW 5-10 MPH.        SW 10-15 MPH.
TRANSPORT WINDS               SW 5-10 MPH.        SW 12-18 MPH.
MIXING HEIGHT                 2000 FT MSL.        7500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT MAY 25        GOOD.

VENTILATION INDEX (CATEGORY)  50 (POOR).          897 (GOOD).
OUTLOOK FOR SAT MAY 25        986 (GOOD).

FOR THE UPPER YAKIMA VALLEY INCLUDING YAKIMA...UNION GAP...
SELAH...AND NACHES AREA

                              7:00 AM             AFTERNOON
SURFACE WINDS                 W 0-4 MPH.          W 5-10 MPH.
TRANSPORT WINDS               SW 8-15 MPH.        W 5-10 MPH.
MIXING HEIGHT                 2500 FT MSL.        8500 FT MSL.
DISPERSION CATEGORY           POOR.               FAIR.
OUTLOOK FOR SAT MAY 25        FAIR.

VENTILATION INDEX (CATEGORY)  51 (POOR).          577 (FAIR).
OUTLOOK FOR SAT MAY 25        585 (FAIR).

FOR THE GRANDE RONDE RIVER VALLEY

                              7:00 AM             AFTERNOON
SURFACE WINDS                 NW 3-7 MPH.         SW 5-10 MPH.
TRANSPORT WINDS               S 3-7 MPH.          SW 15-25 MPH.
MIXING HEIGHT                 4000 FT MSL.        8500 FT MSL.
DISPERSION CATEGORY           POOR.               GOOD.
OUTLOOK FOR SAT MAY 25        GOOD.

VENTILATION INDEX (CATEGORY)  47 (POOR).          457 (FAIR).
OUTLOOK FOR SAT MAY 25        492 (FAIR).

METEOROLOGICAL INFORMATION PROVIDED IN THIS PRODUCT REPRESENTS ONLY
SOME OF THE FACTORS USED IN BURN DECISIONS.  BURN DECISIONS ARE
OUTSIDE THE PURVIEW OF THE NATIONAL WEATHER SERVICE.

THE VENTILATION INDEX IS A TOOL TO ASSIST SMOKE MANAGEMENT
AGENCIES IN DETERMINING BURN OR NO BURN DECISIONS.  A VENTILATION
INDEX GRAPHIC IS ON THE PENDLETON WEBSITE AT THE FOLLOWING ADDRESS:
HTTP://WWW.WRH.NOAA.GOV/PDT/FORECAST/FWXGRAPHICALVENTILATION.PHP?WFO=PDT

IF YOU WOULD LIKE TO KNOW MORE ABOUT THIS PRODUCT...CONTACT THE
NATIONAL WEATHER SERVICE IN PENDLETON.

$$
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.